Helmers, Eckard
Platinum emission rate of automobiles with catalytic convertersHelmers, Eckard. Bd. 4. H. 2. Ecomed 1997 S. 99 - 103
Helmers, Eckard
Sampling of sea and fresh water for the analysis of trace elementsHelmers, Eckard. Springer 1997 S. 26 - 42
Helmers, E
Trace metals in suspended particulate matter of Atlantic Ocean surface water (40° N to 20° S)Helmers, E. Bd. 6. H. 44. 1997 S. 561
Osberghaus, Ulrich; Helmers, Eckard
WasteHelmers, Eckard. Springer, Berlin, Heidelberg 1997 S. 57 - 73
Helmers, Eckard
Elements accompanying platinum emitted from automobile catalyst'sHelmers, Eckard. Bd. 33. H. 3. Elsevier 1996 S. 405 - 419
Helmers, Eckard
Trace metals in suspended particulate matter of Atlantic Ocean surface water (40 N to 20 S)Helmers, Eckard. Bd. 53. H. 1-2. Elsevier 1996 S. 51 - 67
Helmers, E; Schrems, O
Wet deposition of metals to the tropical north and the South Atlantic OceanSchrems, O. Bd. 5. H. 43. 1996 S. 448
Krieger, Rolf; Becker, Bernd; Keim, M.
Efficient Sequential Fault Simulation and the Multiple Observation Time Test Strategy.In Proceedings of the International Design Automation Conference. San Francisco. 1995 S. 339 - 344
Helmers, E; Wilk, G; Wippler, K
Lead in the urban environment—Studying the strong decline in GermanyWippler, K. Bd. 30. H. 1. Pergamon 1995 S. 89 - 101